Performance - Seagate ST800FM0022 Product Manual

Sas (serial attached scsi) drives
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4.2.3

Performance

Table 6 Performance (Managed Life Warranty)
Maximum Burst Transfer Rate
Peak sequential 128KB read/write
data transfer rate (MB/s max)
Sustained sequential 128KB read/
write data transfer rate (MB/s)
Peak 4KB random read/write
command rate (IOPs)
Sustained 4KB random read/write
command rate (IOPs)
Sustainable 4KB Random combined
IOPS for 5 year Endurance
(65%/35% R/W, 70% Duty Cycle)
Table 7 Performance (Usage Based Warranty)
Maximum Burst Transfer Rate
Peak sequential 128KB read/write
data transfer rate (MB/s max)
Sustained sequential 128KB read/
write data transfer rate (MB/s)
Peak 4KB random read/write
command rate (IOPs)
Sustained 4KB random read/write
command rate (IOPs)
Sustainable 4KB Random combined
IOPS for 5 year Endurance
(65%/35% R/W, 70% Duty Cycle)
[1]
Testing performed at Queue Depth = 32, Sequentially Preconditioned drive, using IOMeter 2006.7.27.
[2]
Testing performed at Queue Depth = 32, Randomly Preconditioned drive, using IOMeter 2006.7.27.
[3]
Testing performed at Queue Depth = 32, Non-Preconditioned drive, using IOMeter 2006.7.27.
IOMeter is available at
Note.
IOMeter is licensed under the Intel Open Source License and the GNU General Public License. Intel does not endorse any IOM-
eter results.
Peak performance is defined as the typical best case performance that the product will be able to achieve when the product is
preconditioned as mentioned and host commands are aligned on 4KB boundaries.
P
.2 SAS P
M
ULSAR
RODUCT
ST800FM00
02
N
ST800FM00
OTE
12
S
ST800FM00
22
[1]
[1]
370/200
[2]
[2]
48,000/15,000
[3]
ST800FM00
N
32
OTE
ST800FM00
S
42
[1]
[1]
[2]
[2]
[3]
http://www.iometer.org/
or http://sourceforge.net/projects/iometer/.
, R
. C
ANUAL
EV
ST400FM00
ST200FM00
02
02
600MB/s
370/200
370/140
370/70
48,000/15,000
48,000/11,000
48,000/5500
23,000
ST400FM00
ST200FM00
42
42
600MB/s
370/200
370/200
48,000/15,000
48,000/15,000
23,000
ST100FM00
02
370/190
370/35
48,000/12,000
48,000/2800
22,000
ST100FM00
52
370/190
370/190
48,000/12,000
48,000/12,000
22,000
11

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